Oops, thanks.
Most fast movement abilities are in increments of 10, true, but +5s aren't completely without precedent (dervish, for example). But I guess it would be a little neater with +10s. I can do that.
Well keep in mind, normally you don't get to decide the details of your cohorts. Nice (or lazy) DMs might let you do it, but they'll probably object if you start breaking the system. Besides, there's only so much you can do with skill points when most of the good ones are cross-class. Feats, you can break, but still, you shouldn't be able to decide what they are besides in the most general sense (i.e. melee warrior vs tripper vs archer etc).